Ping finds a guitar with only three strings at the port and tries to fix it by himself. Meanwhile, his father, the rookie temple host, tries to catch a big snapper as an offering to the god.

An elementary school in the mountains is to be abolished due to the decreasing population. The PE teacher is assigned to form a choir and to win the national choir contest to solve the crisis. With limited resource and absolutely no music background, the PE teacher and a group of tone-deaf students start to prepare for the contest. The choir and their community eventually find their own voice and identity.